:root{--ink:#16161d;--accent:#4f46e5;--accent2:#7c3aed;--bg:#fbfbfe;--muted:#6b7280}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;font-size:17px}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header{background:#fff;border-bottom:1px solid #ececf3;position:sticky;top:0;z-index:10}
header .wrap{display:flex;justify-content:space-between;align-items:center;height:62px}
.logo{font-weight:800;color:var(--accent);text-decoration:none;font-size:21px;letter-spacing:-.5px}
nav a{color:var(--ink);text-decoration:none;margin-left:18px;font-size:15px;font-weight:500}
nav a:hover{color:var(--accent)}
main{padding:42px 0 10px}
h1{font-size:33px;line-height:1.2;margin:0 0 18px;letter-spacing:-.7px}
h2{font-size:23px;margin:34px 0 12px;letter-spacing:-.4px}
h3{font-size:19px;margin:0 0 8px}
p{margin:0 0 18px}
ul{margin:0 0 18px;padding-left:22px}li{margin:0 0 8px}
a{color:var(--accent)}
em{color:#3f3f46}
.muted{color:var(--muted);font-size:14px}
.cta{display:block;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff !important;text-decoration:none;padding:17px 22px;border-radius:12px;text-align:center;font-weight:700;margin:30px 0;box-shadow:0 8px 24px rgba(79,70,229,.25)}
.cta:hover{opacity:.94}
.grid{display:grid;grid-template-columns:1fr;gap:16px;margin:18px 0}
.card{background:#fff;border:1px solid #ececf3;border-radius:14px;padding:22px}
.card h3{margin-top:0;color:var(--accent)}
.card a{font-weight:600;text-decoration:none}
.signup{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.signup input{flex:1;min-width:220px;padding:13px 15px;border:1px solid #d6d6e3;border-radius:10px;font-size:16px}
.signup button{padding:13px 22px;background:var(--accent);color:#fff;border:0;border-radius:10px;font-weight:700;font-size:16px;cursor:pointer}
.postlist{list-style:none;padding:0}
.postlist li{margin:0 0 22px;padding:0 0 22px;border-bottom:1px solid #ececf3}
.postlist a{font-size:20px;font-weight:700;text-decoration:none}
.postlist p{color:var(--muted);margin:6px 0 0;font-size:16px}
footer{border-top:1px solid #ececf3;padding:30px 0;margin-top:40px;color:var(--muted);font-size:14px;text-align:center}
footer a{color:var(--muted)}
@media(min-width:620px){.grid{grid-template-columns:1fr 1fr 1fr}}